/**
 * Copyright (c) 2015-present, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 */

class TreeContext {
  constructor() {
    this.baseKey = Math.random();
    this.numberOfNodes = 0;
  }

  buildUniqueNodeKey() {
    this.numberOfNodes++;
    return this.baseKey + '|' + this.numberOfNodes;
  }
}

module.exports = TreeContext;
